Investigation of anti-human ovarian cancer effects of decorated Au nanoparticles on Thymbra spicata extract modified Fe3O4 nanoparticles

Investigation apoptotic effects of silver nanoparticles coated with Achillea biebersteinii extract on A2780 ovarian cancer cells

In recent years using of silver nanoparticles due to its unique properties was increased. Medical plant, the Achillea biebersteinii is rich in anti-cancers compounds. The aim of this study was to investigate the cytotoxicity effects of AgNPs synthesized using Achillea biebersteinii extract on human ovarian cancer A2780 cells. Cytotoxic effects of AgNPs with MTT test was performed at 48 hours in...

PbSe Nanocrystals on Au–Fe3O4 Hybrid Nanoparticles

control of the optical properties of nanoparticles by laser fields

در این پایان نامه، درهمتنیدگی بین یک سیستم نقطه کوانتومی دوگانه(مولکول نقطه کوانتومی) و میدان مورد مطالعه قرار گرفته است. از آنتروپی ون نیومن به عنوان ابزاری برای بررسی درهمتنیدگی بین اتم و میدان استفاده شده و تاثیر پارامترهای مختلف، نظیر تونل زنی(که توسط تغییر ولتاژ ایجاد می شود)، شدت میدان و نسبت دو گسیل خودبخودی بر رفتار درجه درهمتنیدگی سیستم بررسی شده اشت.با تغییر هر یک از این پارامترها، در...

Magnetically-driven selective synthesis of Au clusters on Fe3O4 nanoparticles.

A novel procedure to direct the local synthesis of gold clusters on Fe(3)O(4) nanocrystals by means of alternating magnetic fields (AMFs) is demonstrated. This process allows growing gold selectively onto the heated magnetite surface, while keeping the synthesis solution comparatively cold. Sequential AMF cycles allowed fine-tuning the amount of gold on the magnetite surfaces.

Anisotropic Growth of PbSe Nanocrystals on Au-Fe3O4 Hybrid Nanoparticles

Two of the most important research directions in the preparation of nanocrystals are the growth of non-spherical quantum-confined structures and nanocrystal heterostructures. Non-spherical structures provide a means of understanding the effect of dimensionality and structural anisotropy on quantum-confined optoelectronic behavior and also introduce new degrees of freedom in engineering nanocrys...